【Single Odometer Speedometer Gauge】- This is a high quality single speed gauge with iron shell, with a highlight color LED back Light, universal for mechanical type revolution interface 【With a Highlight LED Back Light】 -- The Motorcycle Dual Odometer comes with a Highlight LED Back Light; Indicator LED Light for: Head Lamp, Neutral Lamp, Turn Signal Light 【High Capacity and Good Performance】 -- Our portable odometer gauge can match original equipment perfectly; Odometer Unit: km ; Odometer Measurement : 0-160km/h; Speedometer Unit: km/h; Universal fit for all motorcycles with DC 12V 【Lightweight & Portable Circle Design】 -- The whole body is lightweight design, portable to use; High digital reading capacity and practical, could match and replace original equipment greatly 【Installation Guide & Long Span Life 】-- Wire Connection: Black line-- ground; Red line-- blacklight indicator; Yellow-- Turn Signal; Blue-- Headlight Indicator; Green-- Neutral Gear; Professionals install is strongly recommended to avoid trouble caused by inexperienced installer